minor #15182 [Lock] Remove tip about the RetryTillSaveStore (ogizanagi)

This PR was merged into the 5.2 branch.

Discussion
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[Lock] Remove tip about  the RetryTillSaveStore

I'd suggest to remove this tip since it is deprecated since 5.2 (#14294)

Commits
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7eb064c [Lock] Remove tip about  the RetryTillSaveStore

Author: javiereguiluz

reference/configuration/framework.rst

@@ -3090,18 +3090,6 @@ name
 
 Name of the lock you want to create.
 
-.. tip::
-
-    If you want to use the `RetryTillSaveStore` for :ref:`non-blocking locks <lock-blocking-locks>`,
-    you can do it by :doc:`decorating the store </service_container/service_decoration>` service:
-
-    .. code-block:: yaml
-
-        lock.invoice.retry_till_save.store:
-            class: Symfony\Component\Lock\Store\RetryTillSaveStore
-            decorates: lock.invoice.store
-            arguments: ['@.inner', 100, 50]
-
 mailer
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